package at.fhv.androideightpuzzle.domain;

/**
 * <code>SwapDirection</code> enumerates the directions to swap the empty part.
 * @author psp5448
 *
 */
public enum SwapDirection {
	
	/**
	 * Swaps the empty part downwards.
	 */
	DOWN,
	
	/**
	 * Swaps the empty part to the left.
	 */
	LEFT,
	
	/**
	 * Swaps the empty part to the right.
	 */
	RIGHT,
	
	/**
	 * Swaps the empty part upwards.
	 */
	UP
}
